<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>01_HelloWorld</title>
</head>
<body>
  <div id="test"></div>

  <script type="text/javascript" src="../js/react.development.js"></script>
  <script type="text/javascript" src="../js/react-dom.development.js"></script>
  <script type="text/javascript" src="../js/babel.min.js"></script>
  <script type="text/babel"> //必须声明babel
    // 创建虚拟DOM元素
    const vDom = <h1>Hello React</h1> // 千万不要加引号
    // 渲染虚拟DOM到页面真实DOM容器中
    ReactDOM.render(vDom, document.getElementById('test'))
  </script>
</body>
</html>
